Control of the domain wall motion in cylindrical magnetic wires

被引：14
|
作者：
Chizhik, Alexander [1 ,2 ]
Zhukov, Arcady [1 ,3 ]
Gonzalez, Julian [1 ]
Stupakiewicz, Andrzej [2 ]
机构：
[1] Univ Basque Country, UPV EHU, San Sebastian 20080, Spain
[2] Univ Bialystok, Magnetism Lab, PL-15245 Bialystok, Poland
[3] Ikerbasque, E-48011 Bilbao, Spain
来源：
APPLIED PHYSICS LETTERS | 2016年 / 109卷 / 05期
基金：
欧盟地平线“2020”;
关键词：
PROPAGATION; DYNAMICS; MICROWIRES;
D O I：
10.1063/1.4960605
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate direct experimental evidence of domain wall motion driven by a magnetic field in a magnetic microwire. The velocity of the elliptically shaped domain wall significantly increases with increasing domain wall inclination with respect to the axis of the wire. The Walker breakdown has been found in the presence of circular magnetic field. We develop an analytical model describing the motion of inclined elliptically shaped domain walls in a steady regime. The controllable mobility of the domain wall using ultra-low magnetic field is determined by the increase of domain wall length. Published by AIP Publishing.
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页数：4
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